Analysis

  • max time kernel
    145s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2025 19:50

General

  • Target

    2025-02-01_0aa045fd7e868d2b897f7c7d49bd3da1_mafia.exe

  • Size

    14.1MB

  • MD5

    0aa045fd7e868d2b897f7c7d49bd3da1

  • SHA1

    3f32cac736e6fcc3ff4e9dbfbb2fabd1317d7fc2

  • SHA256

    432fa98f61def37c7834351b857e1775a33a94de164b7f94ec7320716daf0fa0

  • SHA512

    e25477ad497ccc470fd73a14d2212dad22c258f49e73b958baf0438b9e1b9e5f30027ce484dcb2534e582c9283a5bd8f2a2452786ea2a37ff0c56d8a2f7a9525

  • SSDEEP

    24576:dEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZP:Gfot

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Tofsee family
  • Windows security bypass 2 TTPs 1 IoCs
  • Creates new service(s) 2 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-01_0aa045fd7e868d2b897f7c7d49bd3da1_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-01_0aa045fd7e868d2b897f7c7d49bd3da1_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rwatcygn\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2600
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\plddapoc.exe" C:\Windows\SysWOW64\rwatcygn\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1444
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create rwatcygn binPath= "C:\Windows\SysWOW64\rwatcygn\plddapoc.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_0aa045fd7e868d2b897f7c7d49bd3da1_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2812
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description rwatcygn "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2932
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start rwatcygn
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2404
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      PID:2720
  • C:\Windows\SysWOW64\rwatcygn\plddapoc.exe
    C:\Windows\SysWOW64\rwatcygn\plddapoc.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_0aa045fd7e868d2b897f7c7d49bd3da1_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Windows security bypass
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\plddapoc.exe

    Filesize

    15.0MB

    MD5

    919f0aa4e609265964076a612c030cd0

    SHA1

    b47ae22adaa07198191745af2cc5589c73a55dac

    SHA256

    75f170309b16eec5062a0c49074054bec3eecb3f4ac17a10a9f81776de1f9a8f

    SHA512

    16e696bc32deff96ca68cd165c8cf50f3d839e0b107e5298e69c6838c6914d27454de2c5dc28353835c7483a0d147bb7e19fb6bdf8572d123b4311ab87383ca8

  • memory/2384-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2384-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2384-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2384-14-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2384-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

    Filesize

    1024KB

  • memory/2384-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2688-12-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2716-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2716-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2716-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2716-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2716-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB